> For the complete documentation index, see [llms.txt](https://docs.cryptosat.io/cryptosat/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cryptosat.io/cryptosat/time-based-primitives.md).

# Time-based Primitives

- [Time-based primitives and delay-encryption](https://docs.cryptosat.io/cryptosat/time-based-primitives/time-based-primitives-and-delay-encryption.md): Cryptosat is building several time-based cryptographic primitives facilitating blockchain operations that require guarantees regarding the passage of time.
- [Using Delay Encryption for Atomic Swaps](https://docs.cryptosat.io/cryptosat/time-based-primitives/using-delay-encryption-for-atomic-swaps.md): Describes how to use Delay Encryption for atomic swaps of crypto assets.